With this function, the resolver checks all associated URLs and marks them either with a green tick or, in the event of an error, with a red cross. Users are redirected to the first URL marked in green.

Analyse	urn:nbn:de:101:1-2018102520302544200293
	http://dx.doi.org/10.1038/s41467-018-05762-9 STATUS : 301 → Redirecting to : https://dx.doi.org/10.1038/s41467-018-05762-9
	https://dx.doi.org/10.1038/s41467-018-05762-9 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41467-018-05762-9
	https://www.nature.com/articles/s41467-018-05762-9 STATUS : 303 → Redirecting to : https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-018-05762-9
	https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-018-05762-9 STATUS : 302 → Redirecting to : https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-018-05762-9&code=4796a968-3d39-4618-87d1-003ca33bf9a8
	https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-018-05762-9&code=4796a968-3d39-4618-87d1-003ca33bf9a8 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.
	http://d-nb.info/1169894690/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

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